401(k) · DOL Form 5500 · 2024

Manthei, Inc. 401(k) Plan

Data updated 2026-08-25

$20M
Total assets Small plan by assets
338
Participants Below avg headcount
70th
Percentile by assets National rank
$59,627
Avg per participant Low balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: Manthei 401(k) Profit Sharing Plan · Sponsored by Manthei, Inc. · Michigan · Manufacturing

$20M in assets, 338 participants

Manthei, Inc.'s Manthei 401(k) Profit Sharing Plan reported $20M in total assets and 338 participants in its 2024 DOL Form 5500 filing, ranking in the 70th percentile by assets among filed plans. Figures are as reported by the plan sponsor to the Department of Labor, not audited or endorsed by PlainRetire.

  • #10,659 in Manufacturing (17,777 peers)

Manthei, Inc. multi-year trail

Manthei, Inc.'s plans moved +59.7% in assets from 2022 to 2024; this filing shows Manthei 401(k) Profit Sharing Plan at $20M / 338 participants.

#10,659
in Manufacturing (17,777 peers)
+25.6%
assets growth YoY

Manthei 401(k) Profit Sharing Plan's outsized position by total assets

Manthei 401(k) Profit Sharing Plan vs every filed plan by assets

End-of-year total assets · plan year 2024 · DOL Form 5500

$20,153,973 Top 30% higher than 70% of 123,620 filed plans

This plan $0 $2,050,000,000 every filed plan with reported assets, bucketed by value

Dashed line + filled bar = this entry, among filed plans.

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2024

Manthei 401(k) Profit Sharing Plan among mid-size filed plans by headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Manthei 401(k) Profit Sharing Plan sits mid-pack in the medium band (338 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Manthei 401(k) Profit Sharing Plan end-of-year assets rose from $16M in the plan year 2023 filing to $20M in the plan year 2024 filing.
  • Manthei 401(k) Profit Sharing Plan reported net income rose from $3M in the plan year 2023 filing to $4M in the plan year 2024 filing.
  • Manthei 401(k) Profit Sharing Plan reported participants fell from 342 in the plan year 2023 filing to 338 in the plan year 2024 filing.

See the national 2023→2024 release diff →

DOL schedule card

Filing strip 381858891 · Manthei, Inc. PY 2024 · 401(k)

Manthei 401(k) Profit Sharing Plan · $20M · 338 · 70th

  • EBSA $20M
  • PART 338
  • TYPE 70th
  • NET 401(k)
  • BOOK near Skin Cure Oncology, LLC 401(k) Plan
  • VS-ST ind #10659

Stamps derive from this plan's Form 5500 line items (assets, participants, type, EIN, cohort placement) - not a quality rating of the sponsor. Read with Manufacturing retirement plans → · Plans in Michigan →

Manthei 401(k) Profit Sharing Plan in the asset neighbourhood

Manthei 401(k) Profit Sharing PlanManthei 401(k) Profit Sharin…$20MSkin Cure Oncology, LLC 401(k) PlanSkin Cure Oncology, LLC 401(…$20MEd Herrington, Inc. 401(k) Profit Sharing PlanEd Herrington, Inc. 401(k) P…$20MJoseph P. Carrara & Sons, Inc. 401(k) and Profit Sharing PlanJoseph P. Carrara & Sons, In…$20MTriangle Package Machinery Company Office 401(k) PlanTriangle Package Machinery C…$20M
End-of-year total assets ($M) among Manthei 401(k) Profit Sharing Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Manthei, Inc. multi-year asset trail

Sponsor-wide plan assets over time

All Manthei, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$20M 59.65715572225987% vs 2022
2024 filing year
$10M$15M$20M$25M 202220232024 $12.6M $20.2M ▲ +59.7%
Year Plans Participants Total Assets
2022 1 283 $13M
2023 1 342 $16M
2024 1 338 $20M

Manthei, Inc. filing trail (2024)

Total Assets (Beginning of Year)$16M
Net Assets (End of Year)$20M
Net Income$4M
Employer EIN381858891
Plan Effective Date1996-01-01
Filing StatusFILING RECEIVED

Nearby 401(k) Plans in Michigan

Peer 401(k) plans, same state, same plan type, ranked by total assets.

Manthei 401(k) Profit Sharing Plan vs. nearby 401(k) plans in Michigan, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000 -100102030 Total assets ($B) Participants Manthei 401(k) Profit Sharing Plan, Total assets ($B): 0.020153973 · Participants: 338Manthei 401(k) Profit Sharing PlanGeneral Motors Retirement Savings Plan for Salaried Employees in the United States, Total assets ($B): 23.0591668 · Participants: 43053General Motors Retirement Savings Plan for Salaried Employees in the United StatesFord Motor Co. Savings and Stock Investment Plan for Salaried Employees, Total assets ($B): 17.26893589 · Participants: 31790Ford Motor Co. Savings and Stock Investment Plan for Salaried EmployeesThe Dow Chemical Company Employees' Savings Plan, Total assets ($B): 10.768606712 · Participants: 17128The Dow Chemical Company Employees' Savings PlanThe General Motors Personal Savings Plan for Hourly-Rate Employees in the United States, Total assets ($B): 9.568379082 · Participants: 42513The General Motors Personal Savings Plan for Hourly-Rate Employees in the United StatesFord Motor Co. Tax-Efficient Savings Plan for Hourly Employees, Total assets ($B): 8.2932975 · Participants: 60497Ford Motor Co. Tax-Efficient Savings Plan for Hourly Employees
Manthei 401(k) Profit Sharing Plan vs. nearby 401(k) plans in Michigan, assets vs. participants
Compare Manthei 401(k) Profit Sharing Plan side-by-side with 3 peers →

Manthei 401(k) Profit Sharing Plan's out-of-state 401(k) peers by assets and headcount

Outside Michigan, the nearest 401(k) by assets is Skin Cure Oncology, LLC 401(k) Plan in IL ($20M); by covered participants it is Healthcrest Surgical 401(k) Plan in OK (338 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (338 participants); asset peers above are excluded.

DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Manthei 401(k) Profit Sharing Plan assets move in 2024? ▼
Manthei 401(k) Profit Sharing Plan grew sharply - up 25.6% during 2024, from $16M to $20M. Reported net income was $4M.
How have Manthei, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Manthei, Inc.'s sponsor-wide assets grew 59.7%, from $13M to $20M.
Which 401(k) plans are similar in size to Manthei 401(k) Profit Sharing Plan? ▼
Among 401(k) plans in other states, the closest by assets is Skin Cure Oncology, LLC 401(k) Plan in IL ($20M, 476 participants).
Which 401(k) plans cover a similar participant headcount to Manthei 401(k) Profit Sharing Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Healthcrest Surgical 401(k) Plan in OK (338 participants, $12M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 381858891.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from U.S. Department of Labor Form 5500 filings (EBSA). See our methodology for details.